Anti-collision universal meter

Abstract

The utility model discloses an anti-collision universal meter, which belongs to the technical field of universal meters and is characterized by comprising a universal meter body, a protective sleeve is mounted on the outer wall of the universal meter body, a first groove is formed in the outer wall of the protective sleeve, a plurality of buffer blocks are mounted in the first groove, and the buffer blocks are connected with the universal meter body. One part of the buffer block protrudes out of the first groove, one end of the protective sleeve is provided with a placing port for placing the universal meter body, a sealing block is installed at the placing port in a hinged mode, the protective sleeve is provided with a fixing hole, and the sealing block is provided with a fixing device used for fixing the sealing block and matched with the fixing hole. The anti-collision device has the advantages that the anti-collision effect is good, and the protective sleeve is convenient to disassemble.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of multimeter, more specifically, it relates to a kind of anti-collision multimeter. BACKGROUND

[0002] Multimeter, also known as multi-purpose meter, three-purpose meter or multipurpose meter, is a kind of multifunctional portable measuring instrument, which is widely used in the development, assembly and troubleshooting of electronic equipment. It can measure various electrical parameters, including direct current, alternating current, direct voltage, alternating voltage, resistance, capacitance, inductance, etc.

[0003] At present, the Chinese utility model patent with the publication number CN206773048U discloses an anti-collision multimeter, which can effectively prevent collision and damage to the device by setting a corner guard at the four corners of the multimeter body. However, the multimeter body may still be subjected to collision at the circumference except the four corner positions, and the anti-collision effect needs to be improved. Moreover, the corner guard is usually glued to the multimeter body, and it is difficult to detach when it needs to be replaced due to wear and tear. Therefore, there is a need for an anti-collision multimeter to solve the above problems. UTILITY MODEL CONTENT

[0004] In view of the deficiencies in the prior art, the purpose of the utility model is to provide an anti-collision multimeter, which has the advantages of good anti-collision effect and easy-to-detach protective sleeve.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions:

[0006] An anti-collision multimeter includes a multimeter body, a protective sleeve installed on the outer wall of the multimeter body, a groove one opened on the outer wall of the protective sleeve, a plurality of buffer blocks installed in the groove one, a part of the buffer blocks protruding out of the groove one, a placing opening provided at one end of the protective sleeve for placing the multimeter body, a sealing block hingedly installed at the placing opening, a fixing hole opened on the protective sleeve, and a fixing device installed on the sealing block for fixing the sealing block and cooperating with the fixing hole.

[0007] A cavity is opened on the sealing block, a circular hole is opened at the bottom of the cavity, the fixing device includes a fixing pin slidingly installed in the cavity, the fixing pin is integrally formed by a fixing column and a sliding plate, one end of the fixing column is slidingly installed in the circular hole, a return spring is installed between the sliding plate and the inner bottom surface of the cavity, the return spring is sleeved on the outer wall of the fixing column, the fixing device further includes a cam and a rotating rod, the cam is fixedly connected to one end of the rotating rod, the rotating rod is rotationally installed on the sealing block and is threadedly connected to the sealing block, and a knob is installed at the end away from the cam.

[0008] The utility model discloses a protection sleeve for a multimeter body, which comprises a protection sleeve and a multimeter body.

[0009] When the sealing block needs to be fixed, the knob is rotated to rotate the rotating rod and the cam in the cavity, the cam extrudes the sliding plate and compresses the reset spring in the rotating process, thereby driving the sliding plate and the fixing column to move downward in the cavity and the circular hole, and the one end of the fixing column is extended into the fixing hole.

[0010] The utility model further sets up: install the lug on the short side inner wall of protection sleeve, open the recess no.

[0011] The recess and the lug are arranged, and the circular groove, the threaded hole and the flat head screw are arranged, so that the connecting strength between the protection sleeve and the multimeter body is increased, and the multimeter body is prevented from sliding in the protection sleeve.

[0012] The utility model further sets up: install the stable rod in the cavity symmetry, and the sliding plate is slidably installed on the stable rod.

[0013] The stable rod can make the sliding plate more stable in the process of moving upward and downward.

[0014] The utility model further sets up: be equipped with the line one on the knob, be equipped with the line two and the line three on the sealing block lateral wall, the line two and the line three perpendicular setting.

[0015] The line two is the position of releasing the fixation, when the line one is parallel with the line two, it indicates that the cam is far from the sliding plate, and this is the releasing state, and the line three is the position of fixing, when the line one is parallel with the line three, it indicates that the cam is close to the sliding plate, and this is the fixing state.

[0016] The utility model further sets up: the buffer block is equipped with buffer cavity, buffer column is installed around in buffer cavity.

[0017] The utility model has at least the advantages of the following scheme: buffer cavity and buffer column improve the buffering effect of buffer block, so that better buffering effect can be achieved after collision.

[0018] The utility model further sets up: the surface of the sealing block and the multimeter body is pasted with silica gel sheet.

[0019] The utility model has at least the advantages of the following scheme: the setting of silica gel sheet avoids the direct contact of protective sleeve with multimeter body, so that the outer surface of multimeter body is not abraded.

[0020] In summary, the utility model has at least the following advantages:

[0021] 1. By setting buffer block, fixing device, when installing protective sleeve, first, the multimeter body is placed in the protective sleeve from the placing opening, under the action of sealing block and fixing device, the multimeter body is fixed in the protective sleeve, the buffer block on the protective sleeve can play the buffering effect when the protective sleeve collides with other things, so as to prevent the phenomenon that the multimeter body is damaged due to collision, the protective sleeve is set to be detachable, when the protective sleeve is abraded after long time use, it is convenient to disassemble and replace it.

[0022] 2. By setting protruding block, recess groove two, round groove, screw hole and flat nut, the connecting strength between protective sleeve and multimeter body is increased, and the multimeter body is prevented from sliding in the protective sleeve, by setting stabilizing rod, the stabilizing rod can make the sliding plate more stable during upward movement and downward movement.

[0023] 3. By setting scale line one, scale line two and scale line three, scale line two is the position for releasing fixation, when scale line one is parallel with scale line two, it indicates that the cam is away from the sliding plate, and this is the releasing state, scale line three is the fixed position, when scale line one is parallel with scale line three, it indicates that the cam is close to the sliding plate, and this is the fixed state. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is the overall schematic view of the embodiment;

[0025] Figure 2 It is the overall schematic view of the embodiment in which the multimeter body is removed;

[0026] Figure 3 It is the three-dimensional sectional view of one of the buffer blocks in the embodiment;

[0027] Figure 4This is a three-dimensional sectional view of the sealing block in this embodiment;

[0028] Figure 5 for Figure 2 An enlarged schematic diagram of part A in the middle;

[0029] Figure 6 This is a partial explosion diagram of this embodiment.

[0030] Reference numerals: 1. Multimeter body; 2. Protective sleeve; 3. Groove one; 4. Buffer block; 5. Inlet; 6. Sealing block; 7. Fixing hole; 8. Chamber; 9. Round hole; 10. Fixing device; 101. Fixing pin; 1011. Sliding plate; 1012. Fixing post; 102. Cam; 103. Rotating rod; 11. Return spring; 12. Knob; 13. Protrusion; 14. Groove two; 15. Threaded hole; 16. Round groove; 17. Flat head nut; 18. Socket hexagonal groove; 19. Stabilizing rod; 20. Gradient one; 21. Gradient two; 22. Gradient three; 23. Buffer chamber; 24. Buffer post; 25. Silicone sheet. Detailed Implementation

[0031] The present invention will be further described in detail below with reference to the accompanying drawings.

[0032] A shockproof multimeter, such as Figure 1 , Figure 2 As shown, the device includes a multimeter body 1, a protective sleeve 2 installed on the outer wall of the multimeter body 1, a groove 3 formed on the outer wall of the protective sleeve 2, and several buffer blocks 4 installed in the groove 3, such as... Figure 3 As shown, the buffer block 4 has a buffer cavity 23, and several buffer pillars 24 are installed around the buffer cavity 23.

[0033] A portion of the buffer block 4 has a protruding groove. One end of the protective sleeve 2 has an insertion port 5 for inserting the multimeter body 1. A sealing block 6 is hinged to the insertion port 5. A fixing hole 7 is provided on the protective sleeve 2. A fixing device 10 for fixing the sealing block 6 and cooperating with the fixing hole 7 is installed on the sealing block 6. To prevent the protective sleeve 2 from directly contacting the multimeter body 1 and thus causing wear on the outer surface of the multimeter body 1, a silicone sheet 25 is attached to the surface of the sealing block 6 that contacts the multimeter body 1.

[0034] like Figure 4 , Figure 5As shown in the sealing block 6 is provided with a chamber 8, the bottom of the chamber 8 is provided with a round hole 9, the fixing device 10 includes a fixed pin 101 slidingly installed in the chamber 8, the fixed pin 101 is integrally formed by a fixed column 1012 and a sliding plate 1011, one end of the fixed column 1012 is slidingly installed in the round hole 9. In order to improve the stability of the sliding plate 1011 and the fixed column 1012 moving in the chamber 8, the stable rod 19 is symmetrically installed in the chamber 8, and the sliding plate 1011 is slidingly installed on the stable rod 19. The reset spring 11 is installed between the sliding plate 1011 and the inner bottom surface of the chamber 8, the reset spring 11 is sleeved on the outer wall of the fixed column 1012, the fixing device 10 further includes a cam 102 and a rotating rod 103, the cam 102 is fixedly connected with one end of the rotating rod 103, the rotating rod 103 is rotatably installed on the sealing block 6 and is threadedly connected with the sealing block 6.

[0035] As shown in the sealing block 6 is provided with a chamber 8, the bottom of the chamber 8 is provided with a round hole 9, the fixing device 10 includes a fixed pin 101 slidingly installed in the chamber 8, the fixed pin 101 is integrally formed by a fixed column 1012 and a sliding plate 1011, one end of the fixed column 1012 is slidingly installed in the round hole 9. In order to improve the stability of the sliding plate 1011 and the fixed column 1012 moving in the chamber 8, the stable rod 19 is symmetrically installed in the chamber 8, and the sliding plate 1011 is slidingly installed on the stable rod 19. The reset spring 11 is installed between the sliding plate 1011 and the inner bottom surface of the chamber 8, the reset spring 11 is sleeved on the outer wall of the fixed column 1012, the fixing device 10 further includes a cam 102 and a rotating rod 103, the cam 102 is fixedly connected with one end of the rotating rod 103, the rotating rod 103 is rotatably installed on the sealing block 6 and is threadedly connected with the sealing block 6. Figure 5 As shown in the sealing block 6 is provided with a chamber 8, the bottom of the chamber 8 is provided with a round hole 9, the fixing device 10 includes a fixed pin 101 slidingly installed in the chamber 8, the fixed pin 101 is integrally formed by a fixed column 1012 and a sliding plate 1011, one end of the fixed column 1012 is slidingly installed in the round hole 9. In order to improve the stability of the sliding plate 1011 and the fixed column 1012 moving in the chamber 8, the stable rod 19 is symmetrically installed in the chamber 8, and the sliding plate 1011 is slidingly installed on the stable rod 19. The reset spring 11 is installed between the sliding plate 1011 and the inner bottom surface of the chamber 8, the reset spring 11 is sleeved on the outer wall of the fixed column 1012, the fixing device 10 further includes a cam 102 and a rotating rod 103, the cam 102 is fixedly connected with one end of the rotating rod 103, the rotating rod 103 is rotatably installed on the sealing block 6 and is threadedly connected with the sealing block 6.

[0036] Figure 6 As shown in the sealing block 6 is provided with a chamber 8, the bottom of the chamber 8 is provided with a round hole 9, the fixing device 10 includes a fixed pin 101 slidingly installed in the chamber 8, the fixed pin 101 is integrally formed by a fixed column 1012 and a sliding plate 1011, one end of the fixed column 1012 is slidingly installed in the round hole 9. In order to improve the stability of the sliding plate 1011 and the fixed column 1012 moving in the chamber 8, the stable rod 19 is symmetrically installed in the chamber 8, and the sliding plate 1011 is slidingly installed on the stable rod 19. The reset spring 11 is installed between the sliding plate 1011 and the inner bottom surface of the chamber 8, the reset spring 11 is sleeved on the outer wall of the fixed column 1012, the fixing device 10 further includes a cam 102 and a rotating rod 103, the cam 102 is fixedly connected with one end of the rotating rod 103, the rotating rod 103 is rotatably installed on the sealing block 6 and is threadedly connected with the sealing block 6.

[0037] The working process and beneficial effects of the utility model are as follows:

[0038] ​When the protective sleeve 2 is installed, the multimeter body 1 is placed in the protective sleeve 2 from the placing opening 5, and is fixed in the protective sleeve 2 under the action of the sealing block 6 and the fixing device 10. The buffer block 4 on the protective sleeve 2 can play a buffering role when the protective sleeve 2 collides with other objects, thereby preventing the multimeter body 1 from being damaged due to the collision of the shell and the internal parts. The protective sleeve 2 is detachable, and when the protective sleeve 2 is worn out after long-term use, the protective sleeve 2 can be easily disassembled and replaced.

[0039] When the sealing block 6 needs to be fixed, the knob 12 is only rotated, the rotating rod 103 and the cam 102 are rotated in the cavity 8, the cam 102 extrudes the sliding plate 1011 and compresses the reset spring 11 in the rotating process, thereby driving the sliding plate 1011 and the fixing column 1012 to move downward in the cavity 8 and the circular hole 9, and one end of the fixing column 1012 is extended into the fixing hole 7.

[0040] When the sealing block 6 needs to be fixed, the knob 12 is only rotated, the rotating rod 103 and the cam 102 are rotated in the cavity 8, the cam 102 extrudes the sliding plate 1011 and compresses the reset spring 11 in the rotating process, thereby driving the sliding plate 1011 and the fixing column 1012 to move downward in the cavity 8 and the circular hole 9, and one end of the fixing column 1012 is extended into the fixing hole 7.

[0041] The above only describes the preferred embodiments of the present application, and is not used to limit the present application. Any modification, equivalent replacement, improvement, etc. within the design concept of the present application shall be included in the protection scope of the present application.

Claims

1. A collision-proof multimeter comprising a multimeter body (1), characterized in that: The utility meter body (1) is installed on the outer wall of the protective sleeve (2), the outer wall of the protective sleeve (2) is provided with a groove (3), a plurality of buffer blocks (4) are installed in the groove (3), a part of the buffer blocks (4) protrude from the groove (3), one end of the protective sleeve (2) is provided with a placing opening (5) for placing the utility meter body (1), a sealing block (6) is hingedly installed on the placing opening (5), a fixing hole (7) is formed on the protective sleeve (2), and a fixing device (10) for fixing the sealing block (6) and matched with the fixing hole (7) is installed on the sealing block (6). A cavity (8) is formed on the sealing block (6), a circular hole (9) is formed on the bottom of the cavity (8), the fixing device (10) comprises a fixing pin (101) slidably installed in the cavity (8), the fixing pin (101) is integrally formed by a fixing column (1012) and a sliding plate (1011), one end of the fixing column (1012) is slidably installed in the circular hole (9), a reset spring (11) is installed between the sliding plate (1011) and the inner bottom surface of the cavity (8), and the reset spring (11) is sleeved on the outer wall of the fixing column (1012). The fixing device (10) further comprises a cam (102) and a rotating rod (103), the cam (102) is fixedly connected with one end of the rotating rod (103), the rotating rod (103) is rotatably installed on the sealing block (6) and is threadedly connected with the sealing block (6), and a knob (12) is installed on the end away from the cam (102).

2. A collision-avoiding multimeter according to claim 1, characterized in that: A protruding block (13) is installed on the inner wall of the short side of the protective sleeve (2), a groove (14) matched with the protruding block (13) is formed on the utility meter body (1), a plurality of threaded holes (15) are formed in the groove (3), a circular groove (16) with the same size and shape as the threaded hole (15) is formed on the utility meter body (1), a flat nut (17) is threadedly connected in the threaded hole (15) and the circular groove (16), an internal hexagonal groove (18) recessed inward is formed on the flat nut (17), and one end of the flat nut (17) extends into the circular groove (16).

3. A collision-avoiding multimeter according to claim 1, characterized in that: Symmetrical stable rods (19) are installed in the cavity (8), and the sliding plate (1011) is slidably installed on the stable rods (19).

4. The anti-collision multimeter of claim 1, wherein: The knob (12) is provided with a first scale line (20), a second scale line (21) and a third scale line (22) are arranged on the side wall of the sealing block (6), and the second scale line (21) and the third scale line (22) are arranged perpendicular to each other.

5. The anti-collision multimeter of claim 1, wherein: The buffer block (4) is provided with a buffer cavity (23), and a plurality of buffer columns (24) are installed in the buffer cavity (23).

6. The anti-collision multimeter of claim 1, wherein: The surface of the sealing block (6) in contact with the utility meter body (1) is attached with a silica gel sheet (25).

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